[英]dynamic crontab with docker-compose.yaml
I'm trying to build a dynamic cron job using as basis this link: How to run a cron job inside a docker container When I'm the container $var1 prints the right value, but seens like cron doesnt like env variables.... Any way to go around this?我正在尝试使用此链接作为基础构建动态 cron 作业: How to run a cron job inside a docker container当我是容器时 $var1 打印正确的值,但看起来像 cron 不喜欢 env 变量... . 有什么办法解决这个问题吗? Dockerfile: Dockerfile:
FROM alpine:latest
RUN apk update
RUN apk add rsync run-parts curl
COPY /Scripts/* /
RUN chmod 755 /entry.sh /script.sh /start.sh
#RUN /usr/bin/crontab /crontab.txt
CMD ["/entry.sh"]
entry.sh:入口.sh:
#!/bin/sh
# start cron
sh start.sh
/usr/sbin/crond -f -l 8
start.sh:开始.sh:
#!/bin/bash
/usr/bin/crontab /crontab.txt
docker-compose.yml: docker-compose.yml:
version: '3.6'
services:
test:
image: test1
environment:
- var1=${var1_env}
.env: .env:
var1_env=*/1
crontab.txt: crontab.txt:
$var1 * * * * /script.sh >> /var/log/script.log
Cronjobs traditionally run in a fresh, clean environment. Cronjobs 传统上在一个新鲜、干净的环境中运行。 The behavior you're seeing is that the cron daemon is 'cleaning up' the environment before running your job.您看到的行为是 cron 守护进程在运行您的作业之前“清理”环境。
You have two options:您有两个选择:
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